Re: BUG from text_poke() during CPU offlining

Masami Hiramatsu
2009-04-08T20:21:51Z

Hi Gary,

Gary Hade wrote:
> I ran into the below BUG with 32-bit 2.6.30-rc1 while offlining
> all of the offlineable CPUs. It happened when the last offlineable
> CPUs was being offlined. The problem disappeared after I reverted
> the following two patches.
> - x86: implement atomic text_poke() via fixmap
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=78ff7fae04554b49d29226ed12536268c2500d1f
> - x86: expand irq-off region in text_poke()
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7cf49427042400d40bdc80b5c3399b6b5945afa8

Hmm, this bug seems that the same bug I reported recently.

http://lkml.org/lkml/2009/4/4/71

I'm working on that.

Thank you for reporting!

>
> Gary
>

--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com